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HelpTest Code LAB4116 HEPATIC FUNCTION PANEL
Additional Codes
Labcorp 322755
Specimen Type
Preferred Sample: Lithium Heparin Plasma (PST, Mint Green Tube)
Alternative Sample: Serum (SST, Gold, Corvac, Tiger, Red Top Tube)
Specimen Volume
2 mL
Minimum Volume
1 mL
Turnaround Time
STAT: 1 hour
Routine: 4 hours
Test Schedule
Daily
Sample Stability
Refrigerated: 2 weeks (add-ons should be protected from light)
Method
Colorimetric, Enzymatic
Reference Ranges
Protein, Total g/dL
0-12 mo 4.3-6.9
1-3 yrs 5.2-7.4
3-6 yrs 5.6-7.7
6-10 yrs 6.5-8.3
10-18 yrs 6.1-8.0
18-60 yrs 6.3-8.0
60 yrs+ 6.1-7.8
Albumin g/dL
0-4 days 2.9-4.6
4 days-14 yrs 3.9-5.6
14-18 yrs 3.3-4.7
18-60 yrs 3.5-5.0
60-90 yrs 3.3-4.8
90 yrs+ 3.0-4.7
Bilirubin, Total mg/dL
0 - 7 days: Refer to www.bilitool.org
7-15 days: 0.2 - 16.6
15 days -1 yrs: <0.8
1 - 9 yrs: <0.5
9 - 12 yrs: <0.7
12 - 15 yrs: <0.8
15 - 19 yrs: <0.9
19 yrs+: 0.3 - 1.2
Bilirubin, Direct mg/dL
0-15 days: 0.3 - 0.7
15 days -1 yrs: <0.4
1 - 9 yrs: <0.3
9 - 13 yrs: <0.4
13 - 19 yrs: <0.5
19 yrs+: <0.6
Alkaline Phosphatase U/L
0-6 yrs 72-307
7-9 yrs 133-340
Males
10-15yrs 103-429
16-18 yrs 49-210
19+ yrs 38-110
Female
10-13 yrs 99-453
14-15 yrs 53-186
16+ yrs 38-110
AST U/L
0-6 yrs 20-60
6-10 yrs 20-40
10-18 yrs 14-40
18 yrs+ 5-40
ALT 5-50 U/L
Synonyms
Liver Screen; Liver Function Panel; LFT; Liver Function Tests
CPT Codes
80076
Test Components
Total Protein, g/dL; Albumin, g/dL; Bilirubin, Total, mg/dL; Bilirubin, Direct, mg/dL; Alkaline Phosphatase, U/L; AST, U/L; ALT, U/L.
Collection Instructions
Protect specimen from light.